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Lucian Oprea

System Design Interview for Backend Software Engineers

Udemy – System Design Interview for Backend Software Engineers 2026-9

Last Updated 16 Oct at 4:32 am

Posted in Video Tutorial

PostgreSQL Replication, High Availability HA and Scalability

Udemy – PostgreSQL Replication, High Availability HA and Scalability 2025-1

Last Updated 22 Oct at 3:56 am

Posted in Development, Video Tutorial

Udemy – PostgreSQL High Performance Tuning Guide 2025-1

Last Updated 17 Aug 2025

Posted in Video Tutorial

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